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Titolo:
DEMONSTRATION OF CHANGES IN FETAL LIVER ERYTHROPOIESIS USING ECHO-PLANAR MAGNETIC-RESONANCE-IMAGING
Autore:
DUNCAN KR; BAKER PN; GOWLAND PA; ISSA B; MOORE R; WORTHINGTON B; JOHNSON IR;
Indirizzi:
CITY HOSP NOTTINGHAM,DEPT OBSTET & GYNAECOL,HUCKNALL RD NOTTINGHAM NG5 1PB ENGLAND UNIV NOTTINGHAM,DEPT OBSTET & GYNAECOL NOTTINGHAM NG7 2RD ENGLAND UNIV NOTTINGHAM,DEPT ACAD RADIOL NOTTINGHAM NG7 2RD ENGLAND UNIV NOTTINGHAM,MAGNET RESONANCE CTR,DEPT PHYS NOTTINGHAM NG7 2RD ENGLAND
Titolo Testata:
American journal of physiology: Gastrointestinal and liver physiology
fascicolo: 4, volume: 36, anno: 1997,
pagine: 965 - 967
SICI:
0193-1857(1997)36:4<965:DOCIFL>2.0.ZU;2-6
Fonte:
ISI
Lingua:
ENG
Keywords:
HEMATOPOIESIS; NONINVASIVE FETAL ASSESSMENT;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
10
Recensione:
Indirizzi per estratti:
Citazione:
K.R. Duncan et al., "DEMONSTRATION OF CHANGES IN FETAL LIVER ERYTHROPOIESIS USING ECHO-PLANAR MAGNETIC-RESONANCE-IMAGING", American journal of physiology: Gastrointestinal and liver physiology, 36(4), 1997, pp. 965-967

Abstract

This study investigated the variation in magnetic resonance characteristics of the fetal liver during a time of changing erythropoietic function. Echo-planar imaging was carried out in 25 normal pregnant womenat 20 and 26 wk gestation. The signal intensity from regions of the fetal liver, background image, and maternal back muscle and the highestsignal intensity from the maternal spinal cord were measured and compared with the signal intensity of amniotic fluid. Data are expressed as ratios, in arbitrary units (median pixel values; interquartile rangeshown in parentheses), and analyzed with the use of Wilcoxon's signed-rank test. At 20 wk, the signal intensity ratio of liver to amniotic fluid was 0.309 (0.231-0.365). At 26 wk, the ratio was 0.544 (0.429-0.616). The change was highly significant (P < 0.0001). No change in thesignal intensity ratios of amniotic fluid compared with other measured parameters was noted. These data are consistent with known changes in fetal liver erythropoiesis occurring between 20 and 26 wk gestation and have potential use in early noninvasive physiological assessment of the fetus.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 30/11/20 alle ore 10:03:57